Jeffrey Podos; Mario Cohn-Haft (2019-10-21). “Extremely loud mating songs at close range in white bellbirds”. Current Biology29 (20): R1068–R1069. doi:10.1016/j.cub.2019.09.028. PMID31639347.
Erwin Nemethk (2004-01-01). “Measuring the Sound Pressure Level of the Song of the Screaming Piha Lipaugus Vociferans: One of the Loudest Birds in the World?”. Bioacoustics14 (3): 225–228. doi:10.1080/09524622.2004.9753527. ISSN0952-4622.
Jeffrey Podos; Mario Cohn-Haft (2019-10-21). “Extremely loud mating songs at close range in white bellbirds”. Current Biology29 (20): R1068–R1069. doi:10.1016/j.cub.2019.09.028. PMID31639347.
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Erwin Nemethk (2004-01-01). “Measuring the Sound Pressure Level of the Song of the Screaming Piha Lipaugus Vociferans: One of the Loudest Birds in the World?”. Bioacoustics14 (3): 225–228. doi:10.1080/09524622.2004.9753527. ISSN0952-4622.